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US 8,801,309 B2Granted
Multipurpose writing instrument
OwnerJason Ryaninventor
Life of this patent
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Abstract
A disposable writing instrument is provided for carpenters, masons and other tradesmen. The instrument is a lead pencil which comprises one or more accessories, including a level and a ruler. The level is positioned about the center of the instrument. Either or both ends of the instrument are adapted to be used to mark a surface.
Claims24
A one-piece writing instrument for marking a surface, comprising:
- a. a generally longitudinal unitary shaft having two ends and a center, each of said ends adapted to mark said surface, said shaft reducing in length after marking;
- b. a space cut out of a portion of said shaft generally in the center, said space adapted to accept a complementary functional accessory therein;
- and
- c. a complementary functional accessory engagingly secured within said space, said shaft and said complementary functional accessory having a uniform cross-section along their entire length;
- wherein said functional accessory is one or more of a level and a magnet.
2 more elements
Dependencies are inferred from the claim text.